Data as of Nov 12, 2026
172.85.58.0/24
No anonymizer space · no proxy exits in 30 daysCrown Castle Fiber LLC · space held by Zayo Bandwidth
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 172.85.58.0/23 since Nov 2021 | AS46887 | Internet provider | Zayo Bandwidth | ||
| 172.85.32.0/19 since May 2015 | AS46887 | Internet provider | 4 | Zayo Bandwidth |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 172.85.32.0/19 | 8,192 | ZAYO-CCF-172-85-32-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | May 18, 2015 | abuse@ |
| └ 172.85.58.0/24 | 256 | LTF-172-85-58-0-24 | Lycee Francais de New York (C05786296) · US | Reassigned | Jun 25, 2015 | abuse@ via ZAYO-CCF-172-85-32-0 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Zayo Bandwidth
- Handle
- ZAYOB
- Range
- 172.
85. 32. 0/ 19 - Registration type
- Direct Allocation
- Record created
- May 18, 2015
Origin network
AS46887
US
- Name
- Crown Castle Fiber LLC
- Type
- Internet provider
- Registered
- Apr 13, 2009
- Domain
- zayo.com
- Website
- www.crowncastle.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2015
- Current origin since
- Aug 2015 · 11 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46887 | RADB | MAINT-AS27506 | Sep 3, 2025 |
Whois
Registration for this announcement
- Range
- 172.
85. 58. 0/ 24 - Netname
- LTF-172-85-58-0-24
- Registrant
- Lycee Francais de New York
- Organization
- Lycee Francais de New York (C05786296)
- Type
- Reassigned
- Handle
- NET-172-85-58-0-1
- Parent
- NET-172-85-32-0-1
- Created
- Jun 25, 2015
- RIR
- ARIN
- Country
- US
- Delegated
- May 18, 2015
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN